Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
146681Factored
FactorDigitsBitsDate
60527352871655489709861323292892.32009-01-05 14:23:31
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000185 / 1566
Estimated T-Level: 30.6
TF below 2^97 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Gary Gostin39F60
Verified (Factored)Amdahl 6 - 198928C5B9F60
Verified (Factored)Brian J. Beesley907C264FA8C5B9F60
Verified (Factored)Eivind Triel907C264FA8C5B9F646494
Verified (Factored)2001-02-11Brian J. Beesley907C264FA8C5B9F6112827
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver Kruse77ED3966517D2F191013
Verified2017-09-22Oliver Kruse77ED3966517D2F191013
Verified2017-11-06kkmrkkblmbrbk77ED3966517D2F1911345313
Verified2020-04-17Oliver Kruse90767A7A8977484A18373653
Verified2024-02-03Wentao Huang90767A7A8977484A111694053
History
DateUserTypeResult
2024-02-03Naegi MakotoCERT
PRP Certification
Proof certified good
2024-02-03Wentao HuangC-PRP
M146681/6052735287165548970986132329 : 90767A7A8977484A
PRP proof power = 5
PRP: Verified
Proof certified good
2022-03-07LordJuliusNF
no factor from 2^57 to 2^58
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2020-04-17Oliver KruseC-PRP
M146681/6052735287165548970986132329 : 90767A7A8977484A
PRP: Verified
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M146681/6052735287165548970986132329 : 77ED3966517D2F19
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M146681/6052735287165548970986132329 : 77ED3966517D2F19
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M146681/6052735287165548970986132329 : 77ED3966517D2F19
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M146681/6052735287165548970986132329 : 77ED3966517D2F19
PRP without proof (not generated)
2017-04-15kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2009-01-05axnF-ECM
Factor: 6052735287165548970986132329
2008-12-31Sturle SundeNF
no factor from 2^58 to 2^59